Search Results - "Sugizaki, R"

Low-loss and low-dispersion-slope highly nonlinear fibers by Takahashi, M., Sugizaki, R., Hiroishi, J., Tadakuma, M., Taniguchi, Y., Yagi, T.

“…In recent technologies, various optical signal processing systems have been reported. In many of these applications, highly nonlinear fibers (HNLFs) are used…”
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First demonstration of MC-EDFA-repeatered SDM transmission of 40 x 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF by Takahashi, H, Tsuritani, T, de Gabory, E L T, Ito, T, Peng, W R, Igarashi, K, Takeshima, K, Kawaguchi, Y, Morita, I, Tsuchida, Y, Mimura, Y, Maeda, K, Saito, T, Watanabe, K, Imamura, K, Sugizaki, R, Suzuki, M

“…We demonstrate the first 7-core multicore erbium-doped fiber amplified (MC-EDFA) transmission of 40 x 128-Gbit/s PDM-QPSK signals over 6,160-km 7-core…”
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Nearly exact optical beat-to-soliton train conversion based on comb-like profiled fiber emulating a polynomial dispersion decreasing profile by Ozeki, Y., Takasaka, S., Inoue, T., Igarashi, K., Hiroishi, J., Sugizaki, R., Sakano, M., Namiki, S.

“…We show that an optical beat signal is almost exactly converted to a soliton train through the propagation along a fiber with a polynomial dispersion…”
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90 ^ Light Beam Deflection Technology for Single-Mode Optical Interconnection Systems by Morimoto, M., Sugizaki, R., Suematsu, K.

“…In this letter, we demonstrate an extremely low loss (<0.06 dB) 1-mm bending radius 90deg light deflection by using a 12-single-mode-fiber ribbon for optical…”
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Investigation of a Downsized Silica Highly Nonlinear Fiber by Takahashi, M., Mimura, Y., Hiroishi, J., Tadakuma, M., Sugizaki, R., Sakano, M., Yagi, T.

“…Theoretical influences of reducing the cladding diameter for silica highly nonlinear fiber (HNLF) have been investigated by the finite-element method…”
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PSA and PSA-based optical regeneration for extending the reach of spectrally efficient advanced modulation formats by Yang, J-Y, Akasaka, Y., Ziyadi, M., Mohajerin-Ariaei, A., Cao, Y., Almaiman, A., Kim, I., Takasaka, S., Sugizaki, R., Touch, J., Willner, A. E., Sekiya, M.

“…We investigated various PSA schemes for phase regeneration and compared applicability to QPSK and higher-level formats. We demonstrated a…”
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Cladding-Pumped L-Band Multicore EDFA with Reduced Power Consumption by Tsuchida, Y., Maeda, K., Watanabe, K., Saito, T., Takasaka, S., Tadakuma, M., Sugizaki, R., Ogoshi, H., Doi, K., Matsuura, H., Takeshima, K., Tsuritani, T., Morita, I.

“…Seven-core MC-EDFA pumped with single MM-LD optimized for L-band is developed. Output power of 19 dBm for each core is realized between 1576-1603nm with 33%…”
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Multi-core holey fibers for ultra large capacity wide-band transmission by Imamura, K., Mukasa, K., Sugizaki, R., Mimura, Y., Yagi, T.

“…Multi-core holey fibers for the ultra large capacity transmission were investigated numerically and experimentally. Each core can realize the ultra wide band…”
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305 Tb/s Space Division Multiplexed Transmission Using Homogeneous 19-Core Fiber by Sakaguchi, J., Puttnam, B. J., Klaus, W., Awaji, Y., Wada, N., Kanno, A., Kawanishi, T., Imamura, K., Inaba, H., Mukasa, K., Sugizaki, R., Kobayashi, T., Watanabe, M.

“…We report record capacity data transmission at 305 Tb/s over 10.1 km, using space division multiplexing (SDM) with 19 channels. To realize such a large SDM…”
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Polarization-diversity In-line Phase Sensitive Amplifier for Simultaneous Amplification of Fiber-transmitted WDM PDM-16QAM Signals by Umeki, T., Kazama, T., Kobayashi, T., Takasaka, S., Okamura, Y., Enbutsu, K., Tadanaga, O., Takenouchi, H., Sugizaki, R., Takada, A., Kasahara, R., Miyamoto, Y.

“…We developed in-line PSA for the simultaneous amplification of wavelength-multiplexed and polarization-multiplexed QAM signals. We achieved >20-dB gain and a…”
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High Data-Rate and Long Distance MCF Transmission With 19-Core C+L band Cladding-Pumped EDFA by Puttnam, Benjamin J., Sugizaki, Ryuichi, Rademacher, Georg, Luis, Ruben S., Eriksson, Tobias A., Klaus, Werner, Awaji, Yoshinari, Wada, Naoya, Maeda, Koichi, Takasaka, Shigehiro

“…We describe a series of optical transmission experiments based around single-mode, multi-core fiber (MCF) amplified with 19-core, C+L band erbium-doped fiber…”
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Experimental demonstration of Raman-assisted phase sensitive amplifier with negligible gain/power fluctuation by Akasaka, Y., Yang, J.-Y, Sekiya, M., Ikeuchi, T., Cao, Y., Almaiman, A., Ziyadi, M., Mohajerin-Ariaei, A., Liao, P., Willner, A. E., Takasaka, S., Sugizaki, R.

“…We first demonstrated a Raman-assisted phase sensitive amplifier, which has no optical fiber path separation between pump and signal to achieve negligible…”
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Terahertz repetition rate optical pulse train generation based on comb-like profiled fiber by Ozeki, Y., Takasaka, S., Hiroishi, J., Sugizaki, R., Yagi, T., Sakano, M., Namiki, S.

“…In this paper, we experimentally generate a 1-THz, 9/spl square/fs pulse train based on the CPF. To the authors' knowledge, this is the smallest duration…”
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Cladding pumped multicore EDFA with output power over 20 dBm using a fiber based pump combiner by Maeda, K., Tsuchida, Y., Takasaka, S., Saito, T., Watanabe, K., Sasa, T., Sugizaki, R., Takeshima, K., Tsuritani, T.

“…We developed a cladding pumped multicore EDFA with a compact packaged housing. Output power more than 20 dBm and NF less than 6 dB in L-band, with power…”
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WDM/SDM transmission of 76 × 128-Gbit/s Nyquist-pulse-shaped DP-QPSK Signals over 4,200 km using cladding pumped 7-Core EDFA by Takeshima, K., Tsuritani, T., Igarashi, K., Morita, I., Tsuchida, Y., Maeda, K., Saito, T., Watanabe, K., Sasa, T., Imamura, K., Sugizaki, R.

“…We experimentally demonstrate ultra-long-haul multi-core fiber transmission using a cladding pumped 7-core erbium-doped fiber amplifier. We confirm 76 ×…”
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Study of chromatic dispersion effect on 16QAM phase sensitive amplification by Akasaka, Y., Yang, J.-Y, Ikeuchi, T., Sekiya, M., Takasaka, S., Sugizaki, R., Mohajerin-Ariaei, A., Ziyadi, M., Alrnaiinan, A., Cao, Y., Willner, A. E.

“…We investigated the effect of residual chromatic dispersion on phase-sensitive amplification of 20Gbaud 16QAM signals experimentally. We observed negligible…”
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19-core MCF Transmission System using EDFA with Shared Core Pumping Coupled in Free-space Optics by Sakaguchi, J, Klaus, W, Puttnam, B.J, Mendinueta, J.-M.D, Awaji, Y, Wada, N, Tsuchida, Y, Maeda, K, Tadakuma, M, Imamura, K, Sugizaki, R, Kobayashi, T, Tottori, Y, Watanabe, M, Jensen, R.V

“…We have developed a 19-SDM transmission system consisting of a new low-crosstalk 19-core fiber and a prototype 19-core EDFA. The EDFA uses shared free-space…”
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Seven-Core Fiber with Enlarged Aeff and Full-C-band Seven-Core EDFA for 100-Tbit/s-Class Transoceanic Transmission by Igarashi, K, Takeshima, K, Tsuritani, T, Takahashi, H, Sumita, S, Morita, I, Tsuchida, Y, Tadakuma, M, Maeda, K, Saito, T, Watanabe, K, Imamura, K, Sugizaki, R, Suzuki, M

“…We report fabrication of a 45.5-km seven-core fiber with enlarged Aeff and a high-power seven-core EDFA with 5-THz bandwidth. Using them, we confirmed the…”
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90@@ua@ Light Beam Deflection Technology for Single-Mode Optical Interconnection Systems by Morimoto, M, Sugizaki, R, Suematsu, K

“…In this letter, we demonstrate an extremely low loss ( < 0.06 dB) 1-mm bending radius 90deg light deflection by using a 12-single-mode-fiber ribbon for optical…”
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Normal dispersion, polarization-maintaining Erbium doped fiber for short pulse amplification by Yamanashi, Y, Matsumoto, S, Aiso, K, Sugizaki, R, Yagi, T, Matsushita, S

“…We propose normal dispersion polarization-maintaining Erbium doped fibers (EDFs) for short pulse amplification reducing nonlinearity and optimizing chromatic…”
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